Table Of Contents [an error occurred while processing this directive] previous page [an error occurred while processing this directive] next page

Standardizing a set of observations means substracting the mean from each observation and dividing it by the standard deviation.

 

The mean is:

The standard deviation is:

The standarized values of each observation are then:

As an exercise, substitute Ybar and sd into the above equation.

Table Of Contents [an error occurred while processing this directive] previous page [an error occurred while processing this directive] next page

Code 935, Goddard Space Flight Center, NASA
Written by: Nicholas M. Short, Sr. email: nmshort@epix.net
and
Jon Robinson email: Jon.W.Robinson.1@gsfc.nasa.gov
Webmaster: Bill Dickinson Jr. email: rstwebmaster@gsti.com
Web Production: Christiane Robinson, Terri Ho and Nannette Fekete
Updated: 1999.03.15.